<template>
    <div>
        <!-- 面包屑导航区 -->
        <el-breadcrumb separator-class="el-icon-arrow-right">
            <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
            <el-breadcrumb-item>用户管理</el-breadcrumb-item>
            <el-breadcrumb-item>用户列表</el-breadcrumb-item>
        </el-breadcrumb>
        <!-- 卡片区域 -->
        <el-card class="box-card">
            <el-row :gutter="20">
                <el-col :span="8">
                    <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getUserList">
                    <el-button slot="append" icon="el-icon-search" @click="getUserList"></el-button>
                    </el-input>
                </el-col>
                <el-col :span="4">
                    <el-button type="primary" @click="addDialogVisible = true">添加</el-button>
                </el-col>
            </el-row>
            <!-- 用户表格区域 -->
            <el-table :data="userlist" :border="true" :stripe="true">
                 <el-table-column type="index"></el-table-column>
                 <el-table-column label="姓名" prop="username"></el-table-column>
                 <el-table-column label="邮箱" prop="email"></el-table-column>
                 <el-table-column label="电话" prop="mobile"></el-table-column>
                 <el-table-column label="角色" prop="role_name"></el-table-column>
                 <el-table-column label="状态">
                     <template slot-scope="scope">
                            <el-switch v-model="scope.row.mg_state" @change="userStatusChange(scope.row)">
                            </el-switch>
                     </template>
                 </el-table-column>
                 <el-table-column label="操作" width="180px">
                     <template slot-scope="scope">
                         <!-- 修改按钮 -->
                        <el-button type="primary" icon="el-icon-edit" size="mini" @click="shouEdit(scope.row.id)"></el-button>
                        <!-- 删除按钮 -->
                        <el-button type="danger" icon="el-icon-delete" size="mini" @click="delEdit(scope.row.id)"></el-button>
                        <!-- 分配角色按钮 -->
                        <el-tooltip effect="dark" content="分配角色" placement="top" :enterable="false" >
                        <el-button type="warning" icon="el-icon-setting" size="mini" @click="setRole(scope.row)"></el-button>
                        </el-tooltip>
                     </template>
                 </el-table-column>
            </el-table>
            <!-- 分页区域 -->
            <el-pagination
             @size-change="handleSizeChange"
             @current-change="handleCurrentChange"
             :current-page="queryInfo.pagenum"
             :page-sizes="[1, 2, 5, 10]"
             :page-size="queryInfo.pagesize"
             layout="total, sizes, prev, pager, next, jumper"
             :total="total">
            </el-pagination>
        </el-card>
            <!-- 添加用户对话框 -->
            <el-dialog
                title="添加用户"
                :visible.sync="addDialogVisible"
                width="50%"
                @close="addDialogClose"
                >
                <!-- 内容主题区 -->
                <el-form :model="addForm" :rules="addFormRules" ref="addFormRef" label-width="70px" :status-icon="true">
                    <el-form-item label="用户名" prop="username">
                      <el-input v-model="addForm.username"></el-input>
                    </el-form-item>
                    <el-form-item label="密码" prop="password">
                      <el-input v-model="addForm.password"></el-input>
                    </el-form-item>
                    <el-form-item label="邮箱" prop="email">
                      <el-input v-model="addForm.email"></el-input>
                    </el-form-item>
                    <el-form-item label="手机" prop="mobile">
                      <el-input v-model="addForm.mobile"></el-input>
                    </el-form-item>
                </el-form>
                <!-- 底部按钮区域 -->
                <span slot="footer" class="dialog-footer">
                  <el-button @click="addDialogVisible = false">取 消</el-button>
                  <el-button type="primary" @click="addUser">确 定</el-button>
                </span>
            </el-dialog>
            <!-- 修改用户的对话框 -->
            <el-dialog
              title="修改用户"
              :visible.sync="editDiaogVisible"
              width="50%"
              @close="editDialogClose">
                <el-form :model="editForm" :rules="editFormRules" ref="editFormRef" label-width="70px" :status-icon="true">
                    <el-form-item label="用户名">
                      <el-input v-model="editForm.username" disabled></el-input>
                    </el-form-item>
                    <el-form-item label="邮箱" prop="email">
                      <el-input v-model="editForm.email"></el-input>
                    </el-form-item>
                    <el-form-item label="手机" prop="mobile">
                      <el-input v-model="editForm.mobile"></el-input>
                    </el-form-item>
                </el-form>
              <span slot="footer" class="dialog-footer">
                <el-button @click="editDiaogVisible = false">取 消</el-button>
                <el-button type="primary" @click="editUserInfo">确 定</el-button>
              </span>
            </el-dialog>
            <!-- 分配用户角色框 -->
            <el-dialog
              title="分配角色"
              :visible.sync="UserdialogVisible"
              width="50%"
              @close="setRoleDialogClosed">
              <div>
                  <p>当前的用户:{{userInfo.username}}</p>
                  <p>当前的角色:{{userInfo.role_name}}</p>
                  <p>分配新角色:
                      <el-select v-model="selectedRoleId" placeholder="请选择">
                       <el-option
                         v-for="item in rolesList"
                         :key="item.id"
                         :label="item.roleName"
                         :value="item.id">
                       </el-option>
                     </el-select>
                  </p>
              </div>
              <span slot="footer" class="dialog-footer">
                <el-button @click="UserdialogVisible = false">取 消</el-button>
                <el-button type="primary" @click="assRoles">确 定</el-button>
              </span>
            </el-dialog>
                </div>
</template>
<script>
export default {
    data () {
         var checkEmail = (rule, value, cb) => {
            //  验证邮箱的正则
             const regEmail = /^[a-zA-Z0-9.!#$%&'*+\/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*$/
            if (regEmail.test(value)) {
                return cb()
            }
            cb(new Error('请输入合法邮箱'))
        }
         var checkmobile = (rule, value, cb) => {
             const regmobile = /^(?:(?:\+|00)86)?1[3-9]\d{9}$/
             if (regmobile.test(value)) {
                 return cb()
             }
             cb(new Error('请输入合法手机号码'))
         }
        return {
            queryInfo: {
                query: '',
                // 当前页数
                pagenum: 1,
                // 当前每页显示多少条数据
                pagesize: 2
            },
            userlist: [],
            total: 0,
            // 控制添加用户对话框
            addDialogVisible: false,
            // 添加用户的表单数据
            addForm: {
                username: '',
                password: '',
                email: '',
                mobile: ''
            },
            // 添加用户表单的验证对象
            addFormRules: {
                username: [
                    { required: true, message: '请输入用户名', trigger: 'blur' },
                    { min: 3, max: 10, message: '用户名的长度在3-10个字符之间', trigger: 'blur' }
                ],
                password: [
                     { required: true, message: '请输入密码', trigger: 'blur' },
                    { min: 6, max: 15, message: '密码的长度在6-15个字符之间', trigger: 'blur' }
                ],
                email: [
                      { required: true, message: '请输入邮箱', trigger: 'blur' },
                        { validator: checkEmail, trigger: 'blur' }
                ],
                mobile: [
                     { required: true, message: '请输入手机号码', trigger: 'blur' },
                    { validator: checkmobile, trigger: 'blur' }

               ]
            },
            // 修改用户对话框的显示与隐藏
            editDiaogVisible: false,
            // 查询到的用户信息对象
            editForm: {},
            // 修改表单的验证规则
            editFormRules: {
                 email: [
                      { required: true, message: '请输入邮箱', trigger: 'blur' },
                        { validator: checkEmail, trigger: 'blur' }
                ],
                mobile: [
                     { required: true, message: '请输入手机号码', trigger: 'blur' },
                    { validator: checkmobile, trigger: 'blur' }
                ]
            },
            UserdialogVisible: false,
            // 当前分配角色的用户的数据
            userInfo: {},
            // 所有角色的数据列表
            rolesList: {},
            selectedRoleId: ''
        }
    },
    created () {
        this.getUserList()
    },
    methods: {
        async getUserList () {
          const { data: res } = await this.$http.get(`users`, { params: this.queryInfo })
          if (res.meta.status !== 200) {
              return this.$message.error('获取用户列表失败')
          }
          this.userlist = res.data.users
          this.total = res.data.total
        },
        // 监听pagesize改变的事件
        handleSizeChange (newsize) {
            this.queryInfo.pagesize = newsize
            this.getUserList()
        },
        // 监听页码值改变的事件
        handleCurrentChange (newpage) {
            this.queryInfo.pagenum = newpage
            this.getUserList()
        },
        // 监听用户状态修改
        async userStatusChange(userStatus) {
            const { data: res } = await this.$http.put(`users/${userStatus.id}/state/${userStatus.mg_state}`)
            if (res.meta.status !== 200) {
                    userStatus.mg_state = !userStatus.mg_state
                    return this.$message.error('更新用户状态失败')
                }
            // console.log(res);
            this.$message.success('更新用户状态成功')
        },
        // 监听添加用户对话框的关闭事件
        addDialogClose () {
            this.$refs.addFormRef.resetFields()
        },
         addUser () {
            this.$refs.addFormRef.validate(async valid => {
                if (!valid) return
                const { data: res } = await this.$http.post(`users`, this.addForm)
                if (res.meta.status !== 201) {
                    this.$message.error('添加用户失败')
                }
                this.$message.success('添加用户成功')
                this.addDialogVisible = false
                // 刷新用户列表
                this.getUserList()
            })
        },
        async shouEdit(id) {
           const { data: res } = await this.$http.get(`users/` + id)
           if (res.meta.status !== 200) {
              return this.$message.error('查询用户信息失败')
           }
           this.editForm = res.data
           this.editDiaogVisible = true
        },
        editDialogClose() {
            this.$refs.editFormRef.resetFields()
        },
        // 修改用户信息并提交
       editUserInfo() {
            this.$refs.editFormRef.validate(async valid => {
                if (!valid) {
                    return
                }
            const { data: res } = await this.$http.put(`users/` + this.editForm.id, {
                email: this.editForm.email,
                mobile: this.editForm.mobile
            })
            if (res.meta.status !== 200) {
               return this.$message.error('修改用户失败')
            }
            this.editDiaogVisible = false
            this.getUserList()
            this.$message.success('修改用户成功')
            })
        },
        async delEdit(id) {
          const result = await this.$confirm('此操作将永久删除该用户, 是否继续?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        })
         .catch(err => err)
         if (result !== 'confirm') {
            return this.$message.info('已取消删除')
        }
        const { data: res } = await this.$http.delete(`users/` + id)
        if (res.meta.status !== 200) {
           return this.$message.error('删除用户失败')
        }
        this.$message.success('删除用户成功')
        this.getUserList()
        },
        async setRole(userInfo) {
            this.userInfo = userInfo
            // 获取角色列表
            const { data: res } = await this.$http.get(`roles`)
            if (res.meta.status !== 200) {
               return this.$message.error('获取角色列表失败')
            }
            this.rolesList = res.data
            this.UserdialogVisible = true
        },
        async assRoles() {
            if (!this.selectedRoleId) {
                return this.$message.error('请选择要分配的角色')
            }
            const { data: res } = await this.$http.put(`users/${this.userInfo.id}/role`, {
                rid: this.selectedRoleId
            })
            if (res.meta.status !== 200) {
                return this.$message.error('更新角色失败')
            }
            this.$message.success('更新角色成功')
            this.getUserList()
            this.UserdialogVisible = false
        },
        // 监听分配角色对话的关闭事件
        setRoleDialogClosed() {
            this.selectedRoleId = ''
            this.userInfo = {}
        }
    }
}
</script>